Home / 194,211.56-268,001.36-106,979.57

Finding the Fourth Proportional to 194,211.56, 268,001.36 and 106,979.57

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Solution

The fourth proportional to 194,211.56, 268,001.36 and 106,979.57 is: 147,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,211.56 : 268,001.36 = 106,979.57 : x
  2. Step 2: Convert to fraction form
    194,211.56/268,001.36 = 106,979.57/x
  3. Step 3: Cross multiply
    194,211.56x = 268,001.36 × 106,979.57
  4. Step 4: Simplify right side
    194,211.56x = 28,670,670,914.12
  5. Step 5: Solve for x
    x = 28,670,670,914.12/194,211.56
  6. Step 6: Final answer
    x = 147,625.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.